EP3525314A4 - Overcharge prevention device and method - Google Patents

Overcharge prevention device and method Download PDF

Info

Publication number
EP3525314A4
EP3525314A4 EP18787678.4A EP18787678A EP3525314A4 EP 3525314 A4 EP3525314 A4 EP 3525314A4 EP 18787678 A EP18787678 A EP 18787678A EP 3525314 A4 EP3525314 A4 EP 3525314A4
Authority
EP
European Patent Office
Prior art keywords
prevention device
overcharge prevention
overcharge
prevention
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18787678.4A
Other languages
German (de)
French (fr)
Other versions
EP3525314A1 (en
EP3525314B1 (en
Inventor
Jae-Chan Lee
Soo-Ryoung Kim
Hyun-Sik Kim
Hyeon-Jin SONG
Won-Tae Lee
Yang-Lim Choi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Energy Solution Ltd
Original Assignee
LG Chem Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Publication of EP3525314A1 publication Critical patent/EP3525314A1/en
Publication of EP3525314A4 publication Critical patent/EP3525314A4/en
Application granted granted Critical
Publication of EP3525314B1 publication Critical patent/EP3525314B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00308—Overvoltage protection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00302—Overcharge protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
EP18787678.4A 2017-04-17 2018-02-12 Apparatus and method for preventing overcharge Active EP3525314B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170049372A KR102192188B1 (en) 2017-04-17 2017-04-17 Apparatus and method for preventing overcharge
PCT/KR2018/001819 WO2018194249A1 (en) 2017-04-17 2018-02-12 Overcharge prevention device and method

Publications (3)

Publication Number Publication Date
EP3525314A1 EP3525314A1 (en) 2019-08-14
EP3525314A4 true EP3525314A4 (en) 2019-10-30
EP3525314B1 EP3525314B1 (en) 2022-04-06

Family

ID=63856638

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18787678.4A Active EP3525314B1 (en) 2017-04-17 2018-02-12 Apparatus and method for preventing overcharge

Country Status (6)

Country Link
US (1) US11165262B2 (en)
EP (1) EP3525314B1 (en)
JP (1) JP7001229B2 (en)
KR (1) KR102192188B1 (en)
CN (1) CN110062994B (en)
WO (1) WO2018194249A1 (en)

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KR102236384B1 (en) * 2017-10-27 2021-04-05 주식회사 엘지화학 Apparatus for battery balancing and battery pack including the same
KR102256094B1 (en) * 2017-11-28 2021-05-25 주식회사 엘지에너지솔루션 Battery back
US11025072B2 (en) * 2018-10-17 2021-06-01 Ess Tech, Inc. System and method for operating an electrical energy storage system
KR102394742B1 (en) * 2018-11-29 2022-05-06 주식회사 엘지에너지솔루션 Battery module with improved radiant heat, battery pack comprising the battery module and vehicle comprising the same
KR102394741B1 (en) * 2018-11-29 2022-05-06 주식회사 엘지에너지솔루션 Battery module with improved radiant heat, battery pack comprising the battery module and vehicle comprising the same
JP7096193B2 (en) * 2019-04-04 2022-07-05 矢崎総業株式会社 Battery control unit and battery system
US11722026B2 (en) 2019-04-23 2023-08-08 Dpm Technologies Inc. Fault tolerant rotating electric machine
DK201970832A1 (en) * 2019-12-23 2021-07-26 Kk Wind Solutions As Monitoring system for an energy storage
KR20210098738A (en) * 2020-02-03 2021-08-11 주식회사 엘지화학 Individual discharge system and method of battery rack
DE102021200924A1 (en) 2021-02-02 2022-08-04 Inform Gmbh Entwicklung Und Konstruktion Circuit arrangement and electrical energy storage
EP4315556A1 (en) * 2021-05-04 2024-02-07 Exro Technologies Inc. Battery control systems and methods
WO2022236424A1 (en) 2021-05-13 2022-11-17 Exro Technologies Inc. Method and appartus to drive coils of a multiphase electric machine
KR102369224B1 (en) * 2021-07-16 2022-03-18 주식회사 모큐라텍 Battery management system and its operation method
DE102022110861B3 (en) 2022-05-03 2023-08-03 SWJ Germany GmbH Circuit arrangement, electrical energy store, use of a circuit arrangement and method for operating a circuit arrangement
KR20230167855A (en) * 2022-06-03 2023-12-12 삼성전자주식회사 electronic device and method for controlling battery

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US20100237829A1 (en) * 2009-03-19 2010-09-23 Yoshinao Tatebayashi Assembled battery system and assembled battery protection device
US20110298463A1 (en) * 2010-06-04 2011-12-08 Hiroshi Saito Battery state monitoring circuit and battery device
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KR20180119320A (en) * 2017-04-25 2018-11-02 주식회사 엘지화학 Apparatus and method for preventing overcharge

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US20090167248A1 (en) * 2007-12-27 2009-07-02 Sanyo Electric Co., Ltd. State of Charge Equalizing Device and Assembled Battery System Including Same
US20100237829A1 (en) * 2009-03-19 2010-09-23 Yoshinao Tatebayashi Assembled battery system and assembled battery protection device
US20120133329A1 (en) * 2009-08-05 2012-05-31 Hiroaki Yoshida Battery system
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US20130009600A1 (en) * 2011-07-08 2013-01-10 Samsung Electro-Mechanics Co., Ltd Electric energy storage apparatus, voltage equalization module and voltage equalization method
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Title
See also references of WO2018194249A1 *

Also Published As

Publication number Publication date
JP2020502969A (en) 2020-01-23
KR102192188B1 (en) 2020-12-16
US11165262B2 (en) 2021-11-02
CN110062994B (en) 2023-01-06
EP3525314A1 (en) 2019-08-14
US20200044459A1 (en) 2020-02-06
JP7001229B2 (en) 2022-01-19
WO2018194249A1 (en) 2018-10-25
CN110062994A (en) 2019-07-26
EP3525314B1 (en) 2022-04-06
KR20180116707A (en) 2018-10-25

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